Barcelona’s central place of worship presents a magnificent image. The richly decorated main facade, dotted with gargoyles and the kinds of stone intricacies you would expect of northern European Gothic, sets it quite apart from other churches in Barcelona. The facade was actually added in 1870, although the rest of the building was built between 1298 and 1460. Its other facades are sparse in decoration, and the octagonal, flat-roofed towers are a clear reminder that, even here, Catalan Gothic architectural principles prevailed.

If you have time for only one sightseeing outing, this should be it. La Sagrada Família inspires awe by its sheer verticality, and in the manner of the medieval cathedrals it emulates, it’s still under construction. Work began in 1882 and is hoped (perhaps optimistically) to be completed in 2026, a century after the architect's death. Unfinished it may be, but it attracts more than 4.5 million visitors a year and is the most visited monument in Spain.

Park Güell is a public park designed by Antoni Gaudí, featuring colorful mosaics, unique architectural elements, and stunning views of Barcelona. It's a must-visit for anyone interested in Gaudí's work and the city's artistic heritage.

Casa Batlló is a stunning example of Antoni Gaudí's architectural genius, featuring a whimsical facade and intricate interior design. It's a must-see for anyone interested in modernist architecture and the creative spirit of Barcelona.

The massive stadium of Camp Nou ('New Field' in Catalan) is home to the legendary Futbol Club Barcelona. Attending a game amid the roar of the crowds is an unforgettable experience; the season runs from August to May. Alternatively, get a taste of all the excitement at the interactive Barça Stadium Tour & Museum.

The setting alone, in five contiguous medieval stone mansions, makes the Museu Picasso unique (and worth the queues). The pretty courtyards, galleries and staircases preserved in the first three of these buildings are as delightful as the collection inside. While the collection concentrates on Pablo Picasso's formative years – potentially disappointing for those hoping for a feast of his better-known later works – there is enough material from subsequent periods to give you a thorough impression of the artist's versatility and genius.

La Rambla is a famous tree-lined street in the heart of Barcelona, known for its lively atmosphere, street performers, and bustling markets. It's a great place to experience the city's vibrant culture and enjoy a leisurely stroll.